Catesby Tunnel

The World’s Longest Vehicle Indoor Testing Facility

Catesby Projects is a worldwide reseller for Catesby Tunnel, a unique vehicle test facility in the UK. Catesby Tunnel houses a 2.7km long, purpose-built indoor straight road test track allowing an extensive range of vehicle assessment studies to be carried out on full scale vehicles.

Catesby Tunnel contains a sealed working section to ensure that the environmental conditions are consistent allowing assured repeatable testing. The tunnel and all the adjoining facilities are entirely enclosed to ensure that vehicle development programmes remain completely confidential.

Introduction to Catesby Tunnel
Watch this short video introducing Catesby Tunnel and some of the possible usage cases.

Catesby Projects is located at Catesby Park, adjacent to Catesby Tunnel. Our engineers and technicians are perfectly placed to help support vehicle testing, whether that be help with logistics, testing best practice and methodology or aerodynamic consultancy.

The uses for Catesby Tunnel are endless, but some examples are listed below:

  • Aerodynamic testing including constant speed and coastdown.
  • Aeroacoustic testing, both on and off vehicle.
  • Thermal testing including cooling and braking assessment.
  • Soiling and deposition work.
  • ADAS and LiDAR testing.
  • Private commissioning and shakedowns.
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